Question

URGENT ! DAU COROANA ! Am si eu nevoie de rezolvare la exercitiile de mai sus. Repejor.​ BDFHJ DE JOS . ATAT VA ROG.

Answer 1

Răspuns:

b) 5(2x-3)-x(2x-3)=(2x-3)(5-x)

d) 3a(x+5)-2(x+5)=(x+5)(3a-2)

f) -3a(y+3)+6(y+3)=(y+3)(6-3a)=3(2-a)(y+3)

h) (x+2)(x-3)+(x+2)(2x+1)=(x+2)(x-3+2x+1)=(x+2)(3x-2)

j) (2x-3)²-4(2x-3)=(2x-3)(2x-3-4)=(2x-3)(2x-7)

Explicație pas cu pas: